Portable loading scoop



Feb. 10, 1942. v. c. SMITH 2,272,643

PORTABLE LOADING S COOP Filed Feb. 17, 1941 3 Sheets-Sheet l INVENTORI ATTORNEYS.

Fell 10, 1942. v. c. SMITH 2,272,648

PORTABLE LOADING SCOOP Filed Feb. 17, 1941 s Sheets-Sheet 2 E1E.E

7 A3 Y J 5 A? E T [11L 7vfig 7 INVENTOR.

ATTORNEYS.

Patented Feb. 19, 1942 1 Claim.

This invention relates to a portable loading scoop designed primarilyfor use in loading trucks with loose bulk material.

One of the objects of the invention is to provide a loader which is inthe form of a complete unit including supporting wheels whereby when theunit is coupled to the back of a truck, it can be moved into loadingposition.

A further object is to provide a loading scoop which can be readilycoupled to or uncoupled from a truck so that trucks can be broughtsuccessively into position to be loaded by the unit.

Another object is to provide a loading unit including a dump-skipadapted to be forced into a pile of bulk material and thereafter hoistedin the unit and moved into position to dump its contents into the truckto which the unit is connected.

With the foregoing and other objects in view which will appear as thedescription proceeds, the invention consists of certain novel detail ofconstruction and combinations of parts hereinafter more fully describedand pointed out in the claim, it being understood that changes may bemade in the construction and arrangement of parts without departing fromthe spirit of the invention as claimed.

In the accompanying drawings the preferred form of the invention hasbeen shown.

In said drawings:

Figure 1 is a side elevation of the loading unit, the position of theskip when in dumping position being indicated by broken lines and aportion of the truck to which the unit is connected being shown partlyin elevation and partly in section.

Figure 2 is an elevation of that side of the unit nearest the truck.

Figure 3 is a perspective view of one side portion of the unit.

Referring to the figures by characters of reference, I designates askeleton frame including upstanding sides 2 on the upper portion ofwhich is mounted a transverse shaft 3 to which are secured drums 4 andan operating drum 5 having a spiral cable-engaging surface 6.

Connected to the sides of the frame at one end are supporting wheels 1in the form of casters while depending from the opposite end of theframe, preferably at the center thereof, is a jack 8 of any preferredconstruction which, when extended, constitutes a leg for supporting thatend of the frame to which it is joined.

A skip is movably supported in the frame I and is enlarged at one end toprovide a scoop 8.

From this scoop there is extended a chute 9 open at its ends and thischute is pivotally mounted in the frame adjacent to its small or outletend, as indicated at Ill where a shaft is extended transversely withinthe frame and is engaged by bearings ll carried by the chute.

.A motor [2 is located in the bottom portion of the frame I and has apulley l3 to which is secured one end of a hoisting cable it the otherend portion of which is wrapped spirally about the drum 5 so as to reston the spiral surface of the drum. The shaft l5 to which the pulley I3 isecured is provided with a brake drum IS and this brake drum, in turn,is adapted to be gripped and restrained by a brake band ll under thecontrol of a lever I8.

Extending from the frame I is an extension l9 having laterally spacedhooks 20 so located that when the frame is in an upstanding position,these hooks can engage and straddle the rear end of the chassis C of atruck T, as shown particularly in Figure 1.

Normally th loading unit stands alone upon the wheels I and th jack 8with the scoop 8 of the skip resting on the ground. At this time thejack 8' holds the hooks 20 above the level of that part of the truck tobe engaged thereby.

When it is desired to load a truck, said truck is backed toward theloading unit until the parts to be engaged thereby is brought directlyunder the hooks 20. The jack 8 is then lifted out of contact with theground with the result that the extension l9 will settle onto theengaged part of the truck, thereby coupling the unit to the truck. Withthe jack out of contact with the ground, the truck can then be backedtoward the pile of bulk material to be loaded thereon and this willcause the lowered scoop 8 to be forced into the pile of material. Whenthe scoop is filled the shaft l5 and its pulley I3 are operated by anydesired transmission mechanism forming a part of the motor so that thecable I4 will be wound on the pulley or drum I3 and unwound from thspiral surface of the drum 5. Lifting cables 2i which are secured to therespective drums d and to the sides of th skip are thus wound on thedrums 4, thereby causing the skip to swing upwardly about the pivot it!until the scoop 8 is brought to position with the chute portion inclineddownwardly above and over the truck body. Thus the contents of the scoopwill gravitate along the chute and into the truck body. Thereafter thedrum of pulley I3 is uncoupled from the motor and the scoop permitted togravitate back to its normal position, this movement being controlled byoperation of the brake lever l8.

By providing a drum 5 with a spiral cable-engaging face. the liftingaction will reduce in speed as the scoop approaches the upper limit ofits movement and the operation of the skip can thus be readilycontrolled.

In the drawings the usual transmission and clutch mechanism for couplingshaft IE to or uncoupling it from the motor has been indicated generallyat 22.

It is to be understood that by means of the apparatus herein described atruck body can be quickly loaded simply by moving the loading unit backand forth toward and from th pile of bulk material and raising the skipto discharging position after each operation of filling the scoop. Afterthe truck has been filled or loaded, the jack 8' is extended to lift thehooks 28 out of engagement with the truck whereupon th truck can bemoved away and another one brought into position and coupled to theloading apparatus.

What is claimed is:

A loading apparatus including a structure having supporting wheels atone end and a collapsible support at its other end, a chute normallyextended upwardly within and pivotally connected adjacent to its upperend to the structure, a scoop at the lower end of the chute and openingthereinto, said scoop being normally positioned on thestructure-supporting surface, in position for engagement with a pile ofbulk material, a vehicle, means detachably connecting the rear end ofthe vehicle to the collapsibly supported end of said structure, saidvehicle, when backed, constituting means for transmitting thrust throughthe structure to the scoop, thereby to force the scoop into the pile ofbulk material, and a power unit carried by the structure for swingingthe chute about its pivotal connection into position to deliver materialdownwardly into the vehicle and to elevate the scoop with a loadtherein.

VERNON CLAY SMITH.

